Fix crash during early exit
[mplayer.git] / subopt-helper.h
blobcd435d455b5fad2f38cab50ad4c6b725a0ae8a56
1 #ifndef MPLAYER_SUBOPT_HELPER_H
2 #define MPLAYER_SUBOPT_HELPER_H
4 /**
5 * \file subopt-helper.h
7 * \brief Datatype and functions declarations for usage
8 * of the suboption parser.
12 #define OPT_ARG_BOOL 0
13 #define OPT_ARG_INT 1
14 #define OPT_ARG_STR 2
15 #define OPT_ARG_MSTRZ 3 ///< A malloced, zero terminated string, use free()!
16 #define OPT_ARG_FLOAT 4
18 typedef int (*opt_test_f)(void *);
20 /** simple structure for defining the option name, type and storage location */
21 typedef struct opt_s
23 const char * name; ///< string that identifies the option
24 int type; ///< option type as defined in subopt-helper.h
25 void * valp; ///< pointer to the mem where the value should be stored
26 opt_test_f test; ///< argument test func ( optional )
27 int set; ///< Is set internally by the parser if the option was found.
28 ///< Don't use it at initialization of your opts, it will be
29 ///< overriden anyway!
30 } opt_t;
32 /** parses the string for the options specified in opt */
33 int subopt_parse( char const * const str, opt_t * opts );
36 /*------------------ arg specific types and declaration -------------------*/
37 typedef struct strarg_s
39 int len; ///< length of the string determined by the parser
40 char const * str; ///< pointer to position inside the parse string
41 } strarg_t;
44 int int_non_neg( int * i );
45 int int_pos( int * i );
47 int strargcmp(strarg_t *arg, const char *str);
48 int strargcasecmp(strarg_t *arg, char *str);
50 #endif /* MPLAYER_SUBOPT_HELPER_H */